Among the mammals of Caltech, they’re arguably the happiest and freest. While Homo sapiens are burdened with homework and deadlines, and coyotes stick to moonlit hours to avoid the crowd, the fox squirrels roam wherever their paws take them. Stroll across campus and you’re guaranteed to spot one: foraging randomly in the grass (no, they don’t remember where they bury their nuts), lounging on a branch, or chasing a friend in spirals around tree trunks, like a dazzling ribbon in the hand ...